accessibility-playback-speed-button.html

<!DOCTYPE html>
<title>Media Controls: playback speed button accessibility tests</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../media-controls.js"></script>
<video controls></video>
<script>
async_test(t => {
  var video = document.querySelector('video');
  enableTestMode(video);
  video.src = '../content/test.ogv';

video.onloadeddata = t.step_func(_ => {
    assert_true(isPlaybackSpeedButtonEnabled(video));

    var playback_speed_button = playbackSpeedButton(video);
    var playback_speed_overflow_item = playbackSpeedOverflowItem(video);
    assert_not_equals(playback_speed_button, null);
    assert_not_equals(playback_speed_overflow_item, null);

    assert_equals(playback_speed_button.getAttribute('aria-label'),
                  'show playback speed menu');

    assert_equals(playback_speed_overflow_item.getAttribute('aria-label'),
                  'show playback speed menu');

    clickPlaybackSpeedButton(video, t.step_func_done(function() {
      // Get the menu that displays the list of playback speeds.
      var playbackSpeedsList = playbackSpeedMenu(video);
      assert_equals(playbackSpeedsList.getAttribute('aria-label'), 'Options');
      var listHeader = playbackSpeedListHeader(video);
      assert_equals(listHeader.getAttribute('aria-label'), 'back to options');

      const playbackSpeeds = [0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2];
      playbackSpeeds.forEach(function(playbackSpeed, index) {
        var playbackSpeedListItem = playbackSpeedListItemAtPlaybackRate(video, playbackSpeed);
        assert_equals(playbackSpeedListItem.innerText, playbackSpeed == 1.0 ? 'Normal' : `${playbackSpeed}`);
        assert_equals(playbackSpeedListItem.getAttribute('role'), 'menuitemcheckbox');
        assert_equals(playbackSpeedListItem.getAttribute('aria-setsize'), `${playbackSpeeds.length}`);
        assert_equals(playbackSpeedListItem.getAttribute('aria-posinset'), `${index + 1}`);
      });
    }));
  });
});
</script>
chromium/third_party/blink/web_tests/media/controls/accessibility-playback-speed-button.html
